Vertical Through The Roof Applications - Majestic VERMONT Castings RFSDV34 Installation Instructions & Homeowner's Manual

If installing a snorkel a minimum 24" vertical rise is necessary.
The maximum horizontal run with the 24" vertical pipe is 36"
(915mm). This measurement is taken from the collar of the
•eplace to the face of the exterior wall. See the Vent Chart
ryage 11 for extended horizontal run if the vertical exceeds
1. Establish vent hole through the wall (Fig. 17).
2. Remove soil to a depth of approximately 16" below base
of snorkel. Install drain pipe. Install window well (not
supplied). Refill hole with 12" of coarse gravel leaving a
clearance of approximately 4" below snorkel. (Fig. 24)
3. Install vent system.
4. Ensure a watertight seal is made around the vent pipe
coming through the wall.
5. Apply high temperature sealant caulking (supplied)
around the 4 and 7 inch snorkel collars.
6. Slide the snorkel into the vent pipes and secure to the
wall.
7. Level the soil so as to maintain a 4" clearance below
snorkel. (Fig. 24)
-t
24"/608mm
MINIMUM•
0
A
GROUND
WINDOW WELL
GRAVEL
"'A minimum of 24'1/608mm
vertical pipe must be installed
when usmg the snorkel kit.
•The 22" vertical risef;center to
center) of the snorke may be·
includecffpr calculation of max.
horizontal run.
Fig. 24
DO NOT BACK FILL AROUND.SNORKEL.
A CLEARANCE OF AT LEAST 4" MUST BE
MAINTAINED BETWEEN THE SNORKEL
AND THE SOIL
lfthe foundation is recessed, use recess brackets (not supplied)
for securing lower portion of the snorkel. Fasten brackets to wall
first and then secure to snorkel with self drilling #8 x 1/2 sheet
metal screws. It will be necessary to extend the vent pipes out as
far as the protruding wall face (Fig. 25).
FOUNDATION
RECESS
a
SIIEETMETAl
SCREWS
Fig. 25
.
.
,
VERTICAL THROUGH THE ROOF
APPLICATIONS • ••
r
MINIMUM
8 FT./
MAXIMUM
40FT.
VERTICAL
RISE
0
MAXIMUM
!OFT
(305cm)
PIPE STRAPS
EVERY3'
(92cm)
This Gas Fireplace has been approved for,
Fig. 26
a) Vertical installations up to 40 feet (12 metres) in height.
Up to a 1 O ft. horizontal vent run can be installed within
the vent system using a maximum of two 90" elbows.
(Fig. 26)
b) Up to two 45° elbows may be used within the horizontal
run. For each 45° elbow used on the horizontal level the
maximum horizontal length must be reduced by I 8 inches.
Example: Maximum horizontal length
0 45° elbows
1 45° elbows
2 45°elbows
c) A minimum ofan 8 ft. vertical rise.
10 ft.
8.5 ft.
7 ft.
d) Two sets of 45 degree elbow offsets within these vertical
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